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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 46, Iss. 13 — May. 1, 2007
  • pp: 2394–2400

Analysis of nonlinear frequency sweep in high-speed tunable laser sources using a self-homodyne measurement and Hilbert transformation

Tae-Jung Ahn and Dug Young Kim  »View Author Affiliations


Applied Optics, Vol. 46, Issue 13, pp. 2394-2400 (2007)
http://dx.doi.org/10.1364/AO.46.002394


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Abstract

We have proposed and demonstrated a novel measurement technique for characterizing nonlinear frequency sweep in high-speed tunable laser sources by using a simple self- homodyne setup and Hilbert transformation. Measurement results, such as the variation in frequency scanning rate during a frequency sweeping process, are presented for a temperature-tuned distributed feedback laser diode and external cavity tunable laser. The time-varying optical phase of the incident light of a laser is calculated from the integration of the instantaneous optical frequency, and the tuning rate is obtained from its derivative.

© 2007 Optical Society of America

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(140.3600) Lasers and laser optics : Lasers, tunable

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: August 30, 2006
Revised Manuscript: November 4, 2006
Manuscript Accepted: November 28, 2006
Published: April 9, 2007

Citation
Tae-Jung Ahn and Dug Young Kim, "Analysis of nonlinear frequency sweep in high-speed tunable laser sources using a self-homodyne measurement and Hilbert transformation," Appl. Opt. 46, 2394-2400 (2007)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-46-13-2394

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